41005

Appears in sequences

• Number of graphical basis partitions of 2n.at n=34A001130
• Numbers k such that n | sigma_10(k) + phi(k)^10.at n=19A055704
• Numbers k such that the largest prime factor of k is equal to the sum of primes dividing k+1 (with repetition).at n=28A071861
• Number of elements of the Weyl group of type B where a reduced word contains all of the simple reflections.at n=6A109253
• Triangle T(n,k) of elements of n-th Weyl group of type B whose reduced word uses n-k generators.at n=21A109281
• Numbers n such that A001414(n) divides n+1 and A001414(n+1) divides n.at n=1A131484
• Expansion of Product_{k>0} (1 + Sum_{m>=0} x^(k*2^m)).at n=49A304393